SHA-2

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== Overview ==
 
== Overview ==
'''SHA-2''' is a family of cryptographic hash functions. As of 2012, it has six defined members, which could be placed into two sub-families.
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'''SHA-2''' is a family of cryptographic hash functions. As of 2012, it has six defined members, which can be classified into two sub-families.
  
 
=== SHA-256 sub-family ===
 
=== SHA-256 sub-family ===
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* '''SHA-384''' (384-bit)
 
* '''SHA-384''' (384-bit)
 
* '''SHA-512''' (512-bit)
 
* '''SHA-512''' (512-bit)
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The specifications also defines ''t''-bit hashes named SHA-512/''t'', for a wide range of values of ''t'', but it only approves SHA-512/224 and SHA-512/256 for use.
  
 
== Specifications ==
 
== Specifications ==

Revision as of 17:11, 22 April 2013

File Format
Name SHA-2
Ontology
Released 2002

Contents

Overview

SHA-2 is a family of cryptographic hash functions. As of 2012, it has six defined members, which can be classified into two sub-families.

SHA-256 sub-family

  • SHA-224 (224-bit)
  • SHA-256 (256-bit)

SHA-512 sub-family

  • SHA-512/224 (224-bit)
  • SHA-512/256 (256-bit)
  • SHA-384 (384-bit)
  • SHA-512 (512-bit)

The specifications also defines t-bit hashes named SHA-512/t, for a wide range of values of t, but it only approves SHA-512/224 and SHA-512/256 for use.

Specifications

Software

  • OpenSSL (openssl dgst [-sha224|-sha256|-sha384|-sha512])

Links

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